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|
#include <config.h>
#include <errno.h>
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <client/remctl.h>
#ifndef IOV_MAX
# define IOV_MAX UIO_MAXIOV
#endif
#include "php.h"
#include "php_remctl.h"
static int le_remctl_internal;
static zend_function_entry remctl_functions[] = {
ZEND_FE( remctl, NULL )
ZEND_FE( remctl_new, NULL )
ZEND_FE( remctl_open, NULL )
ZEND_FE( remctl_close, NULL )
ZEND_FE( remctl_command, NULL )
ZEND_FE( remctl_output, NULL )
ZEND_FE( remctl_error, NULL )
{ NULL, NULL, NULL }
};
zend_module_entry remctl_module_entry = {
STANDARD_MODULE_HEADER,
PHP_REMCTL_EXTNAME,
remctl_functions,
PHP_MINIT( remctl ),
NULL,
NULL,
NULL,
NULL,
PHP_REMCTL_VERSION,
STANDARD_MODULE_PROPERTIES
};
#ifdef COMPILE_DL_REMCTL
ZEND_GET_MODULE( remctl )
#endif /* COMPILE_DL_REMCTL */
static void
php_remctl_dtor( zend_rsrc_list_entry *rsrc TSRMLS_DC )
{
struct remctl *r = ( struct remctl * )rsrc->ptr;
if ( r ) {
remctl_close( r );
}
}
PHP_MINIT_FUNCTION( remctl )
{
le_remctl_internal = zend_register_list_destructors_ex( php_remctl_dtor,
NULL, PHP_REMCTL_RES_NAME, module_number );
return( SUCCESS );
}
ZEND_FUNCTION( remctl )
{
struct remctl_result *result = NULL;
zval *cmd_array, **data;
zval *remres_obj;
HashTable *hash;
HashPosition pos;
char *host;
char *principal;
const char **command = NULL;
unsigned short port;
int hlen, plen, count, i;
int success = 0;
if ( zend_parse_parameters( ZEND_NUM_ARGS() TSRMLS_CC,
"slsa", &host, &hlen, &port,
&principal, &plen, &cmd_array ) == FAILURE ) {
zend_error( E_WARNING, "%s: invalid parameters", __FUNCTION__ );
RETURN_NULL();
}
if (( hlen == 0 ) || ( plen == 0 )) {
zend_error( E_WARNING, "Host and principal must be valid strings\n" );
RETURN_NULL();
}
hash = Z_ARRVAL_P( cmd_array );
if (( count = zend_hash_num_elements( hash )) < 2 ) {
zend_error( E_WARNING, "%s: array must contain at least two elements\n",
__FUNCTION__ );
RETURN_NULL();
}
if (( command = ( const char ** )emalloc(( count + 1 ) *
sizeof( char * ))) == NULL ) {
zend_error( E_WARNING, "%s: emalloc failed\n", __FUNCTION__ );
RETURN_NULL();
}
for ( i = 0, zend_hash_internal_pointer_reset_ex( hash, &pos );
zend_hash_get_current_data_ex( hash, ( void ** )&data,
&pos ) == SUCCESS;
i++, zend_hash_move_forward_ex( hash, &pos )) {
if ( Z_TYPE_PP( data ) != IS_STRING ) {
zend_error( E_WARNING, "%s: array contains non-string value\n",
__FUNCTION__ );
goto remctl_cleanup;
}
if ( i >= count ) {
zend_error( E_WARNING, "%s: exceeded number of elements!\n",
__FUNCTION__ );
goto remctl_cleanup;
}
command[ i ] = estrndup( Z_STRVAL_PP( data ), Z_STRLEN_PP( data ));
if ( command[ i ] == NULL ) {
zend_error( E_WARNING, "%s: estrndup failed\n", __FUNCTION__ );
count = i;
goto remctl_cleanup;
}
}
/* must NULL-terminate command argv for remctl */
command[ count ] = NULL;
if (( result = remctl( host, port, principal, command )) == NULL ) {
zend_error( E_WARNING, "%s: remctl failed\n", __FUNCTION__ );
goto remctl_cleanup;
}
/*
* populate an object with remctl results.
* return_value is defined for us by zend.
*/
if ( object_init( return_value ) != SUCCESS ) {
zend_error( E_WARNING, "%s: object_init failed\n", __FUNCTION__ );
goto remctl_cleanup;
}
if ( result->error != NULL ) {
add_property_string( return_value, "error", result->error, 1 );
} else {
add_property_string( return_value, "error", "", 1 );
}
add_property_stringl( return_value, "stdout",
result->stdout_buf, result->stdout_len, 1 );
add_property_long( return_value, "stdout_len", result->stdout_len );
add_property_stringl( return_value, "stderr",
result->stderr_buf, result->stderr_len, 1 );
add_property_long( return_value, "stderr_len", result->stderr_len );
add_property_long( return_value, "status", result->status );
success = 1;
remctl_cleanup:
if ( command != NULL ) {
for ( i = 0; i < count; i++ ) {
efree(( char * )command[ i ] );
}
efree( command );
}
if ( result != NULL ) {
remctl_result_free( result );
}
if ( !success ) {
RETURN_NULL();
}
/*
* these functions actually return void. return_value contains
* the interesting bits. the RETURN_X macros simply change
* what return_value contains.
*/
}
ZEND_FUNCTION( remctl_new )
{
struct remctl *r;
if (( r = remctl_new()) == NULL ) {
zend_error( E_WARNING, "%s: remctl_new failed", __FUNCTION__ );
RETURN_NULL();
}
ZEND_REGISTER_RESOURCE( return_value, r, le_remctl_internal );
}
ZEND_FUNCTION( remctl_open )
{
struct remctl *r;
zval *zrem;
char *host, *princ;
unsigned short port;
int hlen, prlen;
if ( zend_parse_parameters( ZEND_NUM_ARGS() TSRMLS_CC,
"rsls", &zrem, &host, &hlen,
&port, &princ, &prlen ) == FAILURE ) {
zend_error( E_WARNING, "%s: invalid parameters", __FUNCTION__ );
RETURN_FALSE;
}
ZEND_FETCH_RESOURCE( r, struct remctl *, &zrem, -1,
PHP_REMCTL_RES_NAME, le_remctl_internal );
if ( !remctl_open( r, host, port, princ )) {
RETURN_FALSE;
}
RETURN_TRUE;
}
ZEND_FUNCTION( remctl_command )
{
struct remctl *r;
zval *zrem, *cmd_array, **data;
HashTable *hash;
HashPosition pos;
struct iovec *cmd_vec = NULL;
int i, count;
int success = 0;
if ( zend_parse_parameters( ZEND_NUM_ARGS() TSRMLS_CC,
"ra", &zrem, &cmd_array ) == FAILURE ) {
zend_error( E_WARNING, "%s: invalid parameters", __FUNCTION__ );
RETURN_FALSE;
}
ZEND_FETCH_RESOURCE( r, struct remctl *, &zrem, -1,
PHP_REMCTL_RES_NAME, le_remctl_internal );
hash = Z_ARRVAL_P( cmd_array );
if (( count = zend_hash_num_elements( hash )) < 2 ) {
zend_error( E_WARNING, "%s: array must contain at least two elements\n",
__FUNCTION__ );
RETURN_FALSE;
}
if ( count > IOV_MAX ) {
zend_error( E_WARNING, "%s: array count exceeds IOV_MAX!",
__FUNCTION__ );
RETURN_FALSE;
}
if (( cmd_vec = ( struct iovec * )emalloc( count *
sizeof( struct iovec ))) == NULL ) {
zend_error( E_WARNING, "%s: emalloc failed\n", __FUNCTION__ );
RETURN_FALSE;
}
for ( i = 0, zend_hash_internal_pointer_reset_ex( hash, &pos );
zend_hash_get_current_data_ex( hash, ( void ** )&data,
&pos ) == SUCCESS;
i++, zend_hash_move_forward_ex( hash, &pos )) {
if ( Z_TYPE_PP( data ) != IS_STRING ) {
zend_error( E_WARNING, "%s: array contains non-string value\n",
__FUNCTION__ );
goto remctl_command_cleanup;
}
if ( i >= count ) {
zend_error( E_WARNING, "%s: exceeded number of elements!\n",
__FUNCTION__ );
goto remctl_command_cleanup;
}
cmd_vec[ i ].iov_base = estrndup( Z_STRVAL_PP( data ),
Z_STRLEN_PP( data ));
if ( cmd_vec[ i ].iov_base == NULL ) {
zend_error( E_WARNING, "%s: estrndup failed\n", __FUNCTION__ );
count = i;
goto remctl_command_cleanup;
}
cmd_vec[ i ].iov_len = Z_STRLEN_PP( data );
}
if ( !remctl_commandv( r, cmd_vec, count )) {
/* return false, let script get error from remctl_error */
goto remctl_command_cleanup;
}
success = 1;
remctl_command_cleanup:
if ( cmd_vec != NULL ) {
for ( i = 0; i < count; i++ ) {
efree(( char * )cmd_vec[ i ].iov_base );
}
efree( cmd_vec );
}
if ( !success ) {
RETURN_FALSE;
}
RETURN_TRUE;
}
ZEND_FUNCTION( remctl_output )
{
struct remctl *r;
struct remctl_output *output;
zval *zrem;
int success = 0;
if ( zend_parse_parameters( ZEND_NUM_ARGS() TSRMLS_CC,
"r", &zrem ) == FAILURE ) {
zend_error( E_WARNING, "%s: invalid parameters", __FUNCTION__ );
RETURN_NULL();
}
ZEND_FETCH_RESOURCE( r, struct remctl *, &zrem, -1,
PHP_REMCTL_RES_NAME, le_remctl_internal );
/*
* populate an object with remctl results.
* return_value is defined for us by zend.
*/
if ( object_init( return_value ) != SUCCESS ) {
zend_error( E_WARNING, "%s: object_init failed\n", __FUNCTION__ );
RETURN_NULL();
}
if (( output = remctl_output( r )) == NULL ) {
zend_error( E_WARNING, "%s: error reading from server: %s",
remctl_error( r ));
RETURN_NULL();
}
add_property_bool( return_value, "done", 0 );
add_property_long( return_value, "stdout_len", 0 );
add_property_long( return_value, "stderr_len", 0 );
switch( output->type ) {
case REMCTL_OUT_OUTPUT:
add_property_stringl( return_value, "type",
"output", strlen( "output" ), 1 );
if ( output->stream == 1 ) {
add_property_stringl( return_value, "stdout",
output->data, output->length, 1 );
add_property_long( return_value, "stdout_len", output->length );
} else if ( output->stream == 2 ) {
add_property_stringl( return_value, "stderr",
output->data, output->length, 1 );
add_property_long( return_value, "stderr_len", output->length );
} else {
zend_error( E_WARNING, "%s: unknown output stream %d",
output->stream );
add_property_stringl( return_value, "stderr",
output->data, output->length, 1 );
add_property_long( return_value, "stderr_len", output->length );
}
break;
case REMCTL_OUT_ERROR:
add_property_stringl( return_value, "type",
"error", strlen( "error" ), 1 );
add_property_stringl( return_value, "error",
output->data, output->length, 1 );
break;
case REMCTL_OUT_STATUS:
add_property_stringl( return_value, "type",
"status", strlen( "status" ), 1 );
add_property_long( return_value, "status", output->status );
break;
case REMCTL_OUT_DONE:
add_property_stringl( return_value, "type",
"done", strlen( "done" ), 1 );
add_property_bool( return_value, "done", 1 );
break;
}
/* return_value contains something like a remctl_output object */
}
ZEND_FUNCTION( remctl_error )
{
struct remctl *r;
zval *zrem;
const char *error;
int success = 0;
if ( zend_parse_parameters( ZEND_NUM_ARGS() TSRMLS_CC,
"r", &zrem ) == FAILURE ) {
zend_error( E_WARNING, "%s: invalid parameters", __FUNCTION__ );
RETURN_NULL();;
}
ZEND_FETCH_RESOURCE( r, struct remctl *, &zrem, -1,
PHP_REMCTL_RES_NAME, le_remctl_internal );
error = remctl_error( r );
RETURN_STRING(( char * )error, 1 );
}
ZEND_FUNCTION( remctl_close )
{
struct remctl *r;
zval *zrem;
if ( zend_parse_parameters( ZEND_NUM_ARGS() TSRMLS_CC,
"r", &zrem ) == FAILURE ) {
zend_error( E_WARNING, "%s: invalid parameters", __FUNCTION__ );
RETURN_FALSE;
}
ZEND_FETCH_RESOURCE( r, struct remctl *, &zrem, -1,
PHP_REMCTL_RES_NAME, le_remctl_internal );
/* this delete invokes php_remctl_dtor, which calls remctl_close */
zend_list_delete( Z_LVAL_P( zrem ));
RETURN_TRUE;
}
|
